Justice Manual § 4-3.400

When a claim of the United States is compromised, the compromise should be effected and evidenced in the manner provided in this section and those that follow. No further evidence of settlement should be required, although a written settlement agreement between the debtor and the United States Attorney should be prepared. The scope of the compromise should be specifically limited to the immediate subject matter of the claim which was in fact compromised. In no case should a general release be issued to the debtor, since it is not possible to know whether the debtor owes debts to other agencies such as the Internal Revenue Service. If a compromise cannot be effected without the execution of a release, the release should be narrowly drawn, limited to the specific debt that is compromised, and should contain a specific reservation of the United States' right to proceed against other obligors.

If the compromise is made for the purpose of clearing title to a particular property, the release executed should be limited to the release of the United States' judgment lien or right of redemption as to that specific property. No release of a lien or a right of redemption should be executed without some appropriate consideration, even if the claim is questionable.

If a compromise is effected with less than all obligors, care should be taken to reserve the United States' right to proceed against, or collect from, the others. A covenant not to sue, containing a specific reservation of such right, is preferable to a release (even when specifically limited) in this situation.